The deaf and dumb teenager Dot is adopted by the Deer family after the death of her father in an accident, and her seventeen year-old stepsister Nina gives a cold treatment to her, humiliating Dot in the high-school and at home. Nina’s mother Olivia, who is addicted in pills, was a close friend of Dot’s mother and her husband Paul is a successful architect. While living with the Deers, the invisible Nina discovers that they are actually a dysfunctional family with a dark secret that approaches her to Nina that also has discovered that Dot has a hidden secret